Home / 2,379,632.49-3,568,107.36-781,766.55

Finding the Fourth Proportional to 2,379,632.49, 3,568,107.36 and 781,766.55

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Solution

The fourth proportional to 2,379,632.49, 3,568,107.36 and 781,766.55 is: 1,172,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,632.49 : 3,568,107.36 = 781,766.55 : x
  2. Step 2: Convert to fraction form
    2,379,632.49/3,568,107.36 = 781,766.55/x
  3. Step 3: Cross multiply
    2,379,632.49x = 3,568,107.36 × 781,766.55
  4. Step 4: Simplify right side
    2,379,632.49x = 2,789,426,980,856.81
  5. Step 5: Solve for x
    x = 2,789,426,980,856.81/2,379,632.49
  6. Step 6: Final answer
    x = 1,172,209.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.